| UP_SQL = """ | |
| ALTER TABLE tko_tests | |
| DROP FOREIGN KEY `invalidates_test_idx_fk`, | |
| ADD CONSTRAINT `invalidates_test_idx_fk_1` | |
| FOREIGN KEY (`invalidates_test_idx`) | |
| REFERENCES `tko_tests`(`test_idx`) ON DELETE CASCADE; | |
| """ | |
| DOWN_SQL = """ | |
| ALTER TABLE tko_tests | |
| DROP FOREIGN KEY `invalidates_test_idx_fk_1`, | |
| ADD CONSTRAINT `invalidates_test_idx_fk` | |
| FOREIGN KEY (`invalidates_test_idx`) | |
| REFERENCES `tko_tests`(`test_idx`) ON DELETE NO ACTION; | |
| """ |